Pouring bushing:anti-pressure, heat preservation and thermal shock resistance and impermeable to aluminium fusant, etc.

It is applied to low pressure casting aluminium alloy wheel hub or other resemblances, made of ZHONGNAI No.6 material.

Advantage:

anti-pressure, heat preservation and thermal shock resistance and   impermeable to aluminium fusant, etc.

Besides general specification ,we offer the products according to the customers requirements.

PS.

Form A ZHONGNAI material physical capability
Working temperature	Density	Tortuous intensity	Pressure resistance intensity	Coefficient of heat conductivity	Heat linear shrinkage	Coefficient of heat expansion
oC	g/cm3	kg/cm2	kg/cm2	700oC(w/m·k)	800oC(%)	700oC(×10-8oC)
≥1000	0.6-2.5	≥50	≥105	≤0.2	≤0.3	≤2.77
Form B ZHONGNAI material chemical composition
Si O 2	AL2O3	Fe2O3	CaO	MgO	TiO2	K2O	Na2O
52-55	42.5	0.88	0.41	1~2	1.7	0.5	1

Pouring bushing